Are you a Filipino woman displaced by separatist fighting, and unable to sell your goods at market thanks to a closed-down road? Why not band together with your fellow woman at the sewing cooperative and withhold sex from your husbands until they stop fighting and re-open the road? It worked for the women of Dado, according to the UN's refugee agency. We'd call it a novel solution, but it's at least a couple millennia old. [UNHCR via Reddit]